1 layer at (0,0) size 800x600
2 RenderView at (0,0) size 800x600
3 layer at (0,0) size 800x53
4 RenderBlock {test} at (0,0) size 800x53
5 RenderBlock {p} at (0,16) size 800x21
6 RenderBlock {input} at (4,5) size 13x13 [bgcolor=#00FF00]
7 RenderText {#text} at (21,0) size 4x21
8 text run at (21,0) width 4: " "
9 RenderInline {span} at (0,0) size 436x21 [bgcolor=#00FF00]
10 RenderText {#text} at (25,0) size 436x21
11 text run at (25,0) width 436: "Everything in this paragraph should have a green background"